> For the complete documentation index, see [llms.txt](https://sparkar-community.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sparkar-community.gitbook.io/docs/shadersmodule/derivativetype.md).

# DerivativeType

### Values <a href="#values" id="values"></a>

| Value    | Description                                 |
| -------- | ------------------------------------------- |
| `FWIDTH` | Sum of the absolute derivatives in x and y. |
| `DFDX`   | Derivative in x direction.                  |
| `DFDY`   | Derivative in y direction.                  |